參數(shù)資料
型號(hào)： μPD9210FGC-7EA
廠商： NEC Corp.
英文描述： USB Host Controller(USB主控制器)
中文描述： USB主機(jī)控制器（的USB主控制器）
文件頁(yè)數(shù)： 9/95頁(yè)
文件大?。?/td> 423K
代理商： ΜPD9210FGC-7EA
9
CONTENTS
CHAPTER 1 FEATURES ......................................................................................................................
15
1.1
1.2
1.3
1.4
1.5
Features................................................................................................................................................
Block Diagram......................................................................................................................................
Pin Configuration.................................................................................................................................
Pin Configuration Diagram..................................................................................................................
Pin Names and Pin Numbers ..............................................................................................................
15
17
18
19
20
CHAPTER 2 PIN FUNCTIONS.............................................................................................................
21
2.1
2.2
2.3
Pin Table...............................................................................................................................................
Description of Pin Functions ..............................................................................................................
Handling Unused Pins.........................................................................................................................
21
23
26
CHAPTER 3 DESCRIPTION OF USB HOST CONTROLLER FUNCTIONS..................................
27
3.1
3.2
3.3
Overview of USB ..................................................................................................................................
Host Controller’s Communication Method ........................................................................................
Endpoint Descriptor.............................................................................................................................
3.3.1 Endpoint descriptor format..........................................................................................................
3.3.2 Endpoint descriptor field definitions ............................................................................................
Transfer Descriptors............................................................................................................................
3.4.1 General transfer descriptor format ..............................................................................................
3.4.2 General transfer descriptor field definitions.................................................................................
3.4.3 Isochronous transfer descriptor format .......................................................................................
3.4.4 Isochronous transfer descriptor field definitions..........................................................................
Host Controller Communications Area..............................................................................................
3.5.1 Host controller communications area format...............................................................................
3.5.2 Host controller communications area description .......................................................................
HC Mode Changes................................................................................................................................
List Service Flow..................................................................................................................................
Legacy Operations...............................................................................................................................
27
30
33
33
34
35
35
36
37
38
39
39
39
40
41
45
3.4
3.5
3.6
3.7
3.8
CHAPTER 4 POWER MANAGEMENT................................................................................................
51
4.1
4.2
4.3
4.4
Overview of Power Management ........................................................................................................
Bus States and Device States.............................................................................................................
Transition Conditions for Bus States and Device States.................................................................
Device State Transition Flow ..............................................................................................................
51
52
53
55
CHAPTER 5 REGISTER INFORMATION............................................................................................
59
5.1
5.2
PCI Configuration Space.....................................................................................................................
Operational Registers..........................................................................................................................
5.2.1 Overview of operational registers................................................................................................
59
64
65
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